研究活動

原著論文

2025年度

Yuna Miyata, Ryota Yamagami, Takuya Kawamura, Hiroyuki Hori and Akira Hirata* : 
Structural basis of substrate recognition and functional evolution of archaeal RNA-splicing endonucleases, 
Nucleic Acids Research, 53, 16, gkaf845, 2025.

Soichiro Hidetaka, Shuhei Fukumoto, Takahiro Hasegawa, Takuya Kawamura, Mami Ototake, Shizuka Moriguchi, Miyu Namba, Chie Tomikawa, Ryota Yamagami, Akira Hirata* and Hiroyuki Hori* : 
Transfer RNA Recognition Mechanism of Thermoplasma acidophilum Trm56, a SPOUT tRNA Methyltransferase that Possesses an Unusually Long C-terminal Region, 
Journal of Molecular Biology, 437, 19, 169328, 2025.

Teppei Matsuda, Ryota Yamagami*, Aoi Ihara, Takeo Suzuki, Akira Hirata and Hiroyuki Hori* : 
A transfer RNA methyltransferase with an unusual domain composition catalyzes 2′-O-methylation at position 6 in tRNA, 
Nucleic Acids Research, 53, 13, gkaf579, 2025.

2024年度

*Akira Hirata and *Bunzo Mikami: Structural insight into sugar-binding modes of microbial β-amylase. Biochemical and Biophysical Research Communications, Vol.733, No.12, 150695, 2024.

Shu Fujita, Yuzuru Sugio, Takuya Kawamura, Ryota Yagamai, Natsuhisa Oka, Akira Hirata, Takashi Yokogawa and Hiroyuki Hori : ArcS from Thermococcus kodakarensis transfers L-lysine to preQ0 nucleoside derivatives as minimum substrate RNAs., 
The Journal of Biological Chemistry, Vol.300, No.8, 107505, 2024.

2023年度

Yoh Kohno, Asako Ito, Aya Okamoto, Ryota Yamagami, *Akira Hirata and *Hiroyuki Hori: Escherichia coli tRNA (Gm18) methyltransferase (TrmH) requires the correct localization of its methylation site (G18) in the D-loop for efficient methylation.
The Journal of Biochemistry, Vol.175, No.1, 43-56, 2024.

2022年度

Yu Nishida, Shiho Ohmori, Risa Kakizono, Kunpei Kawai, Miyu Namba, Kazuki Okada, Ryota Yamagami, Akira Hirata and Hiroyuki Hori : 
Required Elements in tRNA for Methylation by the Eukaryotic tRNA (Guanine- N2-) Methyltransferase (Trm11-Trm112 Complex), 
International Journal of Molecular Sciences, Vol.23, No.7, 2022.

Yancheng Liu, Yuko Takagi, Milyadi Sugijanto, Kieu My Duong Nguyen, Akira Hirata, Hiroyuki Hori and C. Kiong Ho : 
Genetic and Functional Analyses of Archaeal ATP-Dependent RNA Ligase in C/D Box sRNA Circularization and Ribosomal RNA Processing, 
Frontiers in Molecular Biosciences, Vol.9, No.8, 811548, 2022.

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